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Simplifying n(n + -3) = 5160 Reorder the terms: n(-3 + n) = 5160 (-3 * n + n * n) = 5160 (-3n + n2) = 5160 Solving -3n + n2 = 5160 Solving for variable 'n'. Reorder the terms: -5160 + -3n + n2 = 5160 + -5160 Combine like terms: 5160 + -5160 = 0 -5160 + -3n + n2 = 0 Begin completing the square. Move the constant term to the right: Add '5160' to each side of the equation. -5160 + -3n + 5160 + n2 = 0 + 5160 Reorder the terms: -5160 + 5160 + -3n + n2 = 0 + 5160 Combine like terms: -5160 + 5160 = 0 0 + -3n + n2 = 0 + 5160 -3n + n2 = 0 + 5160 Combine like terms: 0 + 5160 = 5160 -3n + n2 = 5160 The n term is -3n. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3n + 2.25 + n2 = 5160 + 2.25 Reorder the terms: 2.25 + -3n + n2 = 5160 + 2.25 Combine like terms: 5160 + 2.25 = 5162.25 2.25 + -3n + n2 = 5162.25 Factor a perfect square on the left side: (n + -1.5)(n + -1.5) = 5162.25 Calculate the square root of the right side: 71.848799572 Break this problem into two subproblems by setting (n + -1.5) equal to 71.848799572 and -71.848799572.Subproblem 1
n + -1.5 = 71.848799572 Simplifying n + -1.5 = 71.848799572 Reorder the terms: -1.5 + n = 71.848799572 Solving -1.5 + n = 71.848799572 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + n = 71.848799572 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + n = 71.848799572 + 1.5 n = 71.848799572 + 1.5 Combine like terms: 71.848799572 + 1.5 = 73.348799572 n = 73.348799572 Simplifying n = 73.348799572Subproblem 2
n + -1.5 = -71.848799572 Simplifying n + -1.5 = -71.848799572 Reorder the terms: -1.5 + n = -71.848799572 Solving -1.5 + n = -71.848799572 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + n = -71.848799572 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + n = -71.848799572 + 1.5 n = -71.848799572 + 1.5 Combine like terms: -71.848799572 + 1.5 = -70.348799572 n = -70.348799572 Simplifying n = -70.348799572Solution
The solution to the problem is based on the solutions from the subproblems. n = {73.348799572, -70.348799572}
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